Tivoli® Storage Manager backs up volumes based on their UNIX mount point name.
Tivoli Storage Manager maintains each volume name as a separate restore or retrieve volume. These volume names become the names of file spaces on the server.
If you change the name of a volume you have already backed up, Tivoli Storage Manager sees it as a new volume and does not relate it to the previous one. Any backup of the volume backs up the files under the new name. A mismatch might occur if you rename your volumes, or if you access Tivoli Storage Manager from a different workstation than the one from which you backed up the files.